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Web-IO Digital – Supply voltage and input/output circuit
Here we show an example of how the wiring for various Web-IO models could look:
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Applications and deployment alternatives
Can Com-Servers be used to connect two Ethernet-LANS together over telephone cable?
Yes! Using Com-Servers in pairs operating as SLIP routers, you can enable this application. Further information and more...
How can a serial end device be made accessible via the Internet using Com-Servers?
As regards the hardware, the Com-Server first makes the connected serial end device available in the local Ethernet LAN....
How can a non-modifiable serial program talk to serial devices in the network?
The COM Port Redirector available for all common Windows systems allows you to create virtual COM ports on a computer. T...
To what extent is the network additionally loaded by a serial connection make through a Com-Server?
To ensure that the network is not overloaded by an excessive packet rate, the Com-Server is equipped with the "network d...
Which are the delays that must be taken into account in connection with serial protocols?
Many serial protocols (e.g. 3964R) work such that the sent data blocks are acknowledged by the respective receiver, such...
How would you tunnel the connection between two serial devices through the network?
By using two Com-Servers in Box-to-Box mode. The only prerequisite for this mode is a TCP/IP connection (e.g. also over ...
How can Com-Servers be integrated in standard display systems e.g. those used in the areas of building services engineering or automation?
In order to remain independent of the wide range of standardized and vendor-specific interface protocols, state-of-the-a...
How can a Web thermometer be made accessible via the Internet?
As regards the hardware, the Web thermometer is initially only available in the local Ethernet LAN. By virtue of the use...
How can standard-display Web-IOs, e.g. those used in building services engineering or automation, be integrated?
In order to be independent of the wide range of standardized and vendor-specific interface protocols, state-of-the-art d...